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Parker Hannifin Corporation
Parflex Division
Ravenna, Ohio
158
Hydraulic &
Pneumatic
Hose & Fit.
PTFE
Hose &
Fittings
Thermoplastic
Tubing
Coiled Air Hose,
Fittings
& Accessories
Truck (Fleet)
Products
Tooling &
Equipment
Hose
Accessories
Technical &
Design
Information
Approvals &
Guides
A
lphanumeric
Index
A
B
J
E
45°
H
A
J
B
17991N SAE 45° Swivel 90° Elbow
91N Series
91N Series Permanent
1AL91N A-LOK
®
Compression
91N Series Permanent
C – 316 stainless steel nipple, nut, ferrules; 303 stainless steel shell.
Note: Nut part No. is XNUX-316; front ferrule part No. is XFFX-316; back ferrule part No. is XBFX-316. X denotes dash size.
*
Steel tube, nipple, nut and shell.
C – All components 303 stainless steel.
Please reference Instrument Tubing Selection Guide, Bulletin 4200-TS, or contact the Instrumentation Connectors
Division in Huntsville, Alabama, (Phone: 256-881-2040) directly for correct installation and application information.
(+) Non Standard. See page ii for information on non-standard products.
*Part
Number C
Thread
Size
Tube
Size
A
Cutoff
Allow.
B
E
J
Hex
Hose Fitting
inch inch inch mm inch mm inch mm inch
17991N-6-6
+
5/8-18
-6
3/8 2.06 52 1-5/16 49 1.19 30
3/4
17991N-12-12
+
1-1/16-14
-12
3/4 2.92 74
2-1/8
54 1.82 46
1-1/4
Part
Number
(w/ nut/ferrules)
Part
Number
(w/o nut/ferrules)
C
Tube
Size
A
Cutoff
Allow.
B
H
Hex
J
Hex
Hose Fitting
Hose Fitting
inch inch inch mm inch mm inch
inch
1AL91N-4-4 (+)
1AL91N-4-4N (+)
-4
1/4 1.30 33
7/16
11
1/2
9/16
1AL91N-4-5 (+)
1AL91N-4-5N (+)
-5
1/4 1.35 34
7/16
11
1/2
9/16
1AL91N-6-6 (+)
1AL91N-6-6N (+)
-6
3/8 1.53 39
1/2
13
5/8
11/16
1AL91N-8-8 (+)
1AL91N-8-8N (+)
-8
1/2 1.61 41
7/16
11
13/16
7/8
1AL91N-12-12 (+)
1AL91N-12-12N (+)
-12
3/4 1.86 47
1/2
13
1-1/8
1-1/8
1AL91N-16-16 (+)
1AL91N-16-16N (+)
-16
1
2.11 58
7/16
11
1-3/8
1-1/2